CN106800356A - A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech - Google Patents

A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech Download PDF

Info

Publication number
CN106800356A
CN106800356A CN201710005029.2A CN201710005029A CN106800356A CN 106800356 A CN106800356 A CN 106800356A CN 201710005029 A CN201710005029 A CN 201710005029A CN 106800356 A CN106800356 A CN 106800356A
Authority
CN
China
Prior art keywords
electrolysis
pond
treatment
water
advanced treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710005029.2A
Other languages
Chinese (zh)
Inventor
张世文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boying Xiamen Science and Technology Co Ltd
Original Assignee
Boying Xiamen Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boying Xiamen Science and Technology Co Ltd filed Critical Boying Xiamen Science and Technology Co Ltd
Publication of CN106800356A publication Critical patent/CN106800356A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The present invention discloses a kind of advanced treating and regeneration device based on the biochemical municipal wastewater with electrolysis tech, including：（1）Coarse rack, fine fack, aerated grit chamber；（2）Anaerobic treatment pool；（2）Anoxic pond and Aerobic Pond；（3）Secondary sedimentation tank；（4）Nano-catalytic is electrolysed（NCE）Device；（5）Coagulation efficient sedimentation tank；（6）Filtering ponds.The present invention is first by sewage using after Anaerobic Treatment, anoxic and aerobic alternate treatment and secondary precipitation again, then make municipal wastewater that the water standard of the class of earth's surface class four or the class water of class three is reached by treatment by electrolysis, flocculation sediment or coagulating sedimentation and the group technology of filtering.By being electrolysed removal COD, BOD, colourity, ammonia nitrogen and total nitrogen；COD, petroleum-type, vegetable oil are removed by flocculation sediment or coagulating sedimentation, while removing dephosphorization, partial organic substances and total nitrogen；By filtering removal solid particulate matter（SS）, filter water outlet and reach the class of earth's surface class 4 or the class water water standard of class 3.

Description

A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech
Technical field
More specifically it is to make municipal wastewater advanced treating the invention belongs to the field for the treatment of of water pollution of environmental project Reach the class of earth's surface class 4 or the class water quality of class 3 so as to meet the device of regeneration.
Background technology
In order to strengthen sewage disposal management, water pollution is controlled, country promulgates within 2002《Urban wastewater treatment firm pollutant Discharge standard》（GB18918-2002）., former State Environmental Protection Administration pair in 2006《Urban wastewater treatment firm pollutant emission Standard》（GB18918-2002）The execution object of middle one-level A standards and one-level B standard is adjusted, it is desirable to：At town sewage When reason plant effluent enters country and saves the closing such as the major river valley for determining and lake, reservoir, semiclosed waters, primary standard is performed A standards, enter《Water environment quality standard》(GB3838-2002) III class function waters in（The drinking water source of delimitation Except protection zone and Swimming area）、《Sea water quality standard》（GB3097-1982）During two class function waters of middle seawater, one-level is performed The B standard of standard.
The more commonly used A2/O of current municipal sewage plant and its improved process（Such as UCT techniques）, various oxidation ditches Technique, SBR classes and its modification technique（CAST techniques etc.）Deng, but nothing more than Activated Sludge Process and bio membrane process two Kind.Current activated sludge process has overwhelming superiority, and only a small number of Sewage Plants use bio membrane process.Using going out for these techniques Water is such as not added with advanced treating majority and can only achieve《Urban wastewater treatment firm pollutant emission standard》（GB18918-2002）One-level B Standard effluent index, its index such as table 1：
The basic item controlled highest of table 1 allows concentration of emission（Annual average）
Sequence number Basic item controlled One-level B standard（mg/L）
1 COD 60
2 BOD 20
3 SS 20
4 Vegetable and animals oils 3
5 Petroleum-type 3
6 Anion surfactant 1
7 Total nitrogen（In terms of N） 20
8 Ammonia nitrogen（In terms of N） 8（15）
9 Total phosphorus（In terms of P） 1
10 Colourity（Extension rate） 30
11 pH 6-9
12 Excrement colibacillus group number（Individual/L）
In order to improve water environment, " the notice on printing and distributing water prevention and cure of pollution action plan has been assigned by State Council within 2015（Promulgated by the State Council (2015) No. 17）”." existing urban wastewater treatment facility, suit measures to local conditions to be transformed notice request, and the year two thousand twenty reaches before bottom Corresponding discharge standard or regeneration requirement.Sensitizing range (emphasis lake, emphasis reservoir, immediate offshore area watershed) cities and towns are dirty Water processing establishment should be in reaching one-level emission standard A comprehensively before the end of the year 2017.Built-up areas water quality does not reach the class of surface water IV The city of standard, newly-merged university sewage treatment facility will perform one-level emission standard A ".Existing most municipal sewage plants The water outlet of sewage treatment process can only achieve the standard of one-level B, part of contaminated water factory is in A2/O and its improved process（Such as UCT works Skill）Increase flocculation afterwards（Also referred to as coagulation）Dephosphorization and biological denitrificaion（It is many to be filtered using deep-bed filter）Or can after MBR PROCESS FOR TREATMENTs To reach the effluent quality of one-level A standards.If necessary to water quality higher, further advanced treating is also needed.
If using " A2O+ flocculates（Coagulation）Precipitation dephosphorization+biological denitrificaion（De- COD, BOD）At the sewage deep of+filtering " Science and engineering skill, ten thousand tons of sewage of normal conditions invest about 2500~28,000,000 yuan, and ten thousand tons of sewage take up an area about 3100~3400 square metres. Under build-operate-transfer approach, operation service expense is about 1.2~1.8 yuan/m3。
If using " A2O+ chemical dephosphorizations+MBR " techniques, ten thousand tons of investments of sewage treatment project about 3200~35,000,000 Unit, ten thousand tons of sewage works take up an area about 2400~2600 square metres, process water per ton integrated operation cost be about 1.4~2.0 yuan/ m3。
Both techniques, not only invest big, and operating cost is high, and discharge water after treatment can only achieve《Cities and towns Wastewater Treatment discharge standard》（GB18918-2002）One-level A standard effluent index, will use as recycled water, also Carrying out advanced treating could meet the water standard of recycled water, therefore, it is badly in need of a kind of economical and practical advanced treatment of wastewater again Make profits and use device.
The content of the invention
It is an object of the invention to provide a kind of economical and practical municipal wastewater advanced treating regeneration device producing Recycled water.
The present invention is adopted the following technical scheme that：It includes coagulation unit of filtering and precipitation, anaerobism, anoxic and aerobic Two stage treatment unit and the nano-catalytic electrolysis for the treatment of, coagulating sedimentation, the three-level advanced treatment unit of filtering, i.e., including such as placing an order Unit：
（1）Coagulation unit：It is made up of coarse rack, fine fack and aerated grit chamber successively, coarse rack, fine fack and aeration are heavy Sand pond is coupled by pipeline successively；
（2）Two stage treatment unit：Be made up of preliminary sedimentation tank, anaerobic pond, anoxic pond, Aerobic Pond and second pond, preliminary sedimentation tank, anaerobic pond, Anoxic pond, Aerobic Pond and second pond pass sequentially through pipeline or overfall connection；
（3）Three-level advanced treatment unit：It is made up of nano-catalytic electrolysis machine, coagulative precipitation tank and filtering ponds, nano-catalytic electrolysis Machine, coagulative precipitation tank and filtering ponds are coupled successively by water pump, pipeline.
After the two stage treatment unit also include two sections of AO processing units, with further remove decontaminated water in COD, The pollutants such as BOD, ammonia nitrogen and total nitrogen.
Also include a Treatment of Sludge in the biochemical advanced treatment of wastewater regeneration device with electrolysis tech of the invention Unit, is made up of sludge concentration tank, dehydration device；The precipitation that preliminary sedimentation tank, second pond and coagulative precipitation tank are produced passes through pipeline Into sludge concentration tank, then reducing sludge volume is caused by the dehydration of sludge dewatering equipment, water content is less than or equal to after dehydration 60% dry mud is transported outward or compost treatment, and filtrate is then back to coarse rack water inlet.
An electrolysis unit is additionally provided with before the sludge concentration tank of the sludge treating block.
Also include a gas treatment in the biochemical advanced treatment of wastewater regeneration device with electrolysis tech of the invention Unit, is made up of absorption tower and incinerator, and the biogas that anaerobic pond is produced is burned after desulfurization.
Described aerated grit chamber is formed by mixed mud cast or steel, engineering plastics are processed.
Described anaerobic pond, anoxic pond, Aerobic Pond and second pond are formed by mixed mud cast or steel, engineering plastics add Work is formed.
Described nano-catalytic electrolysis machine is provided with power supply and electrolytic cell, the negative electrode in the electrolytic cell be graphite, titanium, iron, One kind in aluminium, zinc, copper, lead, nickel, molybdenum, chromium, alloy, the Ti electrode for having precious metal oxide coating, nano-catalytic electrode, sun Extremely there is the nano-catalytic electrode of precious metal oxide coating, electrode is tabular or netted, and yin, yang is alternately distributed in electrolytic cell Interior, the distance of adjacent electrode plates is 4~10mm；The electrolysis operating voltage of the electrolysis is 5~500V, adjacent two interelectrode electricity It is 1~15V to press, and current density is 5~500mA/cm2, residence time of the sewage in electrolysis machine is 5s~10min.
The top layer of the nano-catalytic electrode is coated with the metal oxide containing precious metals catalyst coatings that crystal grain is 10~42nm, described The substrate of nano-catalytic electrode is titanium plate, other metallic plates or plastic plate.
Coagulative precipitation tank described in three stage treatment unit is efficient sedimentation tank.
Coagulative precipitation tank described in three stage treatment unit is made up of coagulating basin and sedimentation basin.
Filtering ponds described in three stage treatment unit are in V-type filter tank, sand filter, multi-medium filtering pond or filtering cloth filtering pool It is a kind of.
Following step is included to sewage disposal using the above-mentioned biochemical advanced treatment of wastewater regeneration device with electrolysis tech Suddenly：
（1）Anaerobism：After coarse rack and fine fack remove solid impurity, into preliminary sedimentation tank precipitation, water outlet enters anaerobism to sewage Organic acid is resolved into methane and carbon dioxide by pond in the presence of anaerobism, reduces COD；
（2）Anoxic/aerobic：Anaerobic pond water outlet enters anoxic pond and Aerobic Pond（Also known as A/O ponds）Anoxic/Aerobic Process for Treatment is carried out, is led to The anoxic bacteria and the oxidative degradation of aerobic bacteria crossed in A/O handling process further remove COD, ammonia nitrogen and total nitrogen, make sewage It is purified waste water；
（3）Precipitation：The water outlet of A/O biochemical treatments carries out mud-water separation in second pond, and the sludge part for precipitating is back to Anaerobic pond（A ponds）, excess sludge is by being pumped into sludge concentration tank；
（4）Nano-catalytic is electrolysed（NCE）：Will be by step（1）Extremely（3）Water outlet after treatment is electrolysed in pumping into electrolysis machine, electrolysis During, anode produces Cl and O, Cl and O and organic matter（COD and BOD）Ammonia nitrogen etc. reacts, and generates CO2、H2O、 N2And NO3 ﹣, organic matter is removed, reduce COD and BOD, ammonia nitrogen；Negative electrode produce " H " and " OH ", " H " of generation and " OH " and " NO3 ﹣" and organic matter（COD and BOD）Ammonia nitrogen etc. reacts, and generates CO2、H2O、N2；
（5）Flocculation（Coagulation）Precipitation：Step（4）Sewage enters flocculation after electrolysis（Coagulation）Reaction tank, to flocculation（Coagulation）Reaction 1~50g/ m are added in pond3Copperas solution and 1~5mg/ m3Flocculation aid is flocculated（Coagulation）Reaction, Fe2+With electrolysis Unreacted complete Cl, O, OH or Cl2Reaction generation Fe3+, Fe3+With PO4 3-Reaction generation ferric phosphate precipitation removes decontaminated water Phosphorus, with OH-Reaction generation Fe (OH)3Precipitation is flocculated（Coagulation）Reaction, petroleum-type, animals and plants are removed by suction-operated The organic matters such as oil, precipitate and separate is carried out into sedimentation basin, and sludge is dehydrated into clod into sludge treating system, and clear liquid enters step （6）Filtering；
（6）Filtering：Step（5）Sewage after flocculation sediment（Clear liquid）Into filter filtering, clear liquid is and reaches earth's surface class 4 The recycled water of class or the class water standard of class 3, mud is dehydrated into clod into sludge treating system.
（7）Treatment of Sludge
Preliminary sedimentation tank and step（3）The precipitation of the generation of second pond（That is sludge）And step（5）Precipitate the precipitation for producing（That is sludge） Sludge concentration tank is entered by pipeline, then reducing sludge volume is caused by the dehydration of sludge dewatering equipment, water content is small after dehydration Transported outward or compost treatment in or equal to 60% dry mud, filtrate is then back to step（1）Preceding coarse rack water inlet；
（8）Gas treatment
Step（1）Tail gas after the biogas produced in Anaerobic Treatment is processed through biogas desulfurization and CIU enters the deodorant system of tail gas System treatment.
Step（1）Tail gas after the biogas produced in Anaerobic Treatment is processed through biogas desulfurization and CIU is removed into tail gas Smelly system treatment.
The sewage higher for entering water pollutant, step（2）There can also be two sections of AO after described anoxic/aerobic Process step, further to remove the COD in decontaminated water, BOD, ammonia nitrogen and total nitrogen etc..
Step（4）The electrolysis is one kind of Direct Electrolysis or indirect electrolytic, and optimum efficiency is Direct Electrolysis.
Step（4）There is following electrode reaction in electrolysis：
1st, anode
Main electrode reaction is：2Cl--2e →2 Cl·→Cl2↑
3H2O+ 2e → O·+ 2H3O﹢
Due to H3The generation of O ﹢, near anode, alkalescence is reduced, and acidity rises.
2nd, negative electrode
Negative electrode uses pure metallic titanium（Or stainless steel plate）, in the electrolysis of water, negative electrode also functions to important effect in purified water： The concentration of heavy metal ion and active phosphorus etc. is reduced, water quality is greatly improved, and can reach the standard for surpassing a class water.
On negative electrode, main chemical reaction is：H2O→H++OH-
Main electrode reaction is：2H++2e→2H·→ H2↑
2H3O++2e→2H·+2H2O → H2↑+2H2O
Due to H2Precipitation, near negative electrode, acidity reduce, alkalescence rise.
Other effects of the electrode process of negative electrode：
1. concentration polarization
When being powered, there is substantial amounts of electronics on negative electrode, at this moment due to the effect of electric field force, the cation such as H in water3O+、 Na+、Ca2+、Mg2+、Pb2+、Cu2+... concentration polarization will be formed to cathodic migration.
2. many electric layer effects
Will significantly rise in the concentration of cathode surface cation, and form electric double layer, anion is just had in electric double layer outer layer In the presence of（Such as HPO4 2-、HCO3 -、Cl-... the anion of opposite charge, the ion of this layer is referred to as " counter ion "）, thus generation " three electric layer ", as shown in Figure 1.
3. precipitation reaction
Due to acid and base effect, HPO is caused4 2-↔H++PO4 3-Balance move right.Again due to electric double layer effect, near negative electrode [Ca2+]、[PO4 3-] significantly increase, therefore there is precipitation reaction：
3Ca2++2PO4 3-→Ca3(PO4)2↓
Similarly, it would be possible to which following precipitation reaction occurs：
The material of generation is deposited upon cathode surface, so as to form negative electrode dirt.
The free radical activity that electrode reaction is produced is very strong, the organic molecule reaction generation that " O, OH " can be close with it Water and carbon dioxide；" O " and " NH3" react generation water and " NO3 ﹣”；" Cl and H " and close " NO3 ﹣" and " ammonia nitrogen）Instead N should be generated2And H2O。
Due in the case of low-voltage, high current, electronic fog being injected into electrode surface, therefore, electrode reaction is not only Occur at the electrode surface, but in the solid space of whole electrolysis machine.
COD, ammonia nitrogen, total nitrogen and colourity, the principle of stink are gone in electrolysis：
In electrolytic process, the free radical such as electrode reaction generation Cl, O, OH, H；The then generation OCl not reacted in time- 。
（1）De- COD, BOD principle
R H（R represents organic radicals）+ O·—→CO2↑ + H2O
（2）Decolourize（Except stink）Principle
R-R ＇（R ＇ represent organic matter chromophoric group）+O·—→CO2↑ + H2O
（3）Ammonia nitrogen removal principle（Main reaction 1）：
NH3 + HOCl —→ NH2Cl + H2O （Monochloro amine）
NH2Cl + HOCl —→ NHCl2 + H2O （Dichlormaine）
2NH2Cl + HOCl—→ N2↑+ 3HCl + H2O （Denitrogenation main reaction one）
（4）De- nitrate nitrogen principle（Main reaction 2）：
NH3 + O·—→ NO3 - + H2O
NO3 - + H·—→ NO2 - + H2O
NO2 - + H·—→ N2↑ + H2O （Denitrogenation main reaction two）
Electrolysis has following effect and realizes following target：
（1）, electric shock effect
Under low-voltage, high current effect, electric current directly punctures the cell membrane of microorganism in reclaimed water, causes the death of microorganism.
（2）, capture electronic action
Microorganism living all carries electric charge, under low-voltage, high current effect, captures the electricity that the microorganism in reclaimed water carries in itself Son, makes microorganism lose electronics and dead.
（3）, free radical killing action
Electrolysis can produce the very strong free radical of chemism：Such as Cl, H, O, OH, can effectively kill virus, bacterium And the spore of algae plays the purpose of sterilization.
By three above effect, it is ensured that the microbiological indicator of water outlet is qualified.
（4）, oxidation
Chemism very strong free radical is produced during electrolysis：Such as Cl, H, O, OH, can promptly with sewage in have Machine thing, such as organic matter, coloring matter, ammonia nitrogen, total nitrogen electrocatalytic reaction reduce its COD, BOD, total nitrogen, ammonia so as to reach Nitrogen, the dynamic purpose for planting oil, petroleum-type, anionic surfactant concentration and colourity.
（5）, precipitation
The OH produced in electrolytic process can be with some Action of Metal Ions（Such as Fe3+）Precipitation is produced to settle down, these precipitations Little particle can play flocculation aid, promote the suspended material aggregation sedimentation in solution.In other electrolytic process, electric field can be with fast Colloform texture in speed destruction water body, makes water body de- steady, promotes the micro- life killed in solid suspension, the water being present in waste water Thing, bacterium, algae and planktonic organism corpse, the colloid being dissolved in water generation flocculation sediment long, very big limit reduction are added Flocculant consumption.
（6）, air supporting effect
What the H that negative electrode is produced in electrolytic process did not reacted with nitrate nitrogen in time, hydrogen is generated as, substantial amounts of microbubble is formed, With the floating of gas, substantial amounts of solid suspension can be taken out of, reach the effect of separation of solid and liquid, form air supporting effect, further The pollution indexs such as COD, colourity, turbidity in reduction waste water.
（7）, synergy
Electrolysis can also produce significant cooperative effect, such as acid and base effect, many electric layer effects, air supporting effect in addition to producing free radical Should, inductive effect and adsorption effect etc. therefore can greatly improve the efficiency of NCE.
（8）, deodorization
It is electrolysed except the free radical for producing smells material effect with the hair in sewage, can eliminates outside odor, the electromagnetic vibration of electrolytic process Swinging can make the chemical bond of malodoring substance that open loop chain scission occurs, so as to eliminate stink.Therefore, it is electrolysed to have and makes it difficult for what people write Eliminate stink effect.
Effect ensures COD, BOD, total nitrogen, ammonia nitrogen, dynamic plant oil, petroleum-type, the anion surface active of water outlet more than Agent concentration and chromaticity index are qualified.
Step（5）Flocculation（Coagulation）Precipitating the flocculant can also be molysite, aluminium salt, poly-aluminium, one kind of Polyferric Sulfate or appoint Anticipate two or more combinations；The molysite is ferric sulfate, ferrous sulfate；The aluminium salt is aluminum sulfate or aluminium chloride；The poly-aluminium is Aluminium polychloride, polyaluminium sulfate or polymer aluminium silicate；The Polyferric Sulfate is poly-ferric chloride, bodied ferric sulfate or polymeric silicicacid Iron；Consumption is 1~50g/m3。
Step（5）Flocculation（Coagulation）The described optimum flocculent of precipitation is ferrous sulfate, and consumption is 1~50g/m3。
Step（5）Flocculation（Coagulation）The flocculation aid is precipitated for PAM, consumption is 1~3g/m3。
Step（5）Flocculation（Coagulation）If the pH of sewage is less than 6 during precipitation, also NaOH or carbon are added including one Sour sodium regulation sewage to pH7~9 the step of.
Step（5）Described flocculation（Coagulation）Precipitation is flocculated in efficient sedimentation tank（Coagulation）Reaction, carries out solid-liquid Separate.
Step（5）Described flocculation（Coagulation）Precipitation is in coagulation reaction tank（Tank）Coagulating is carried out, in sedimentation basin Precipitated.
Step（5）Flocculation（Coagulation）The described dephosphorization principle of precipitation：
Fe2+ +Cl·—→ Fe3++Cl﹣
Fe2+ +OH·—→ Fe3++OH﹣
Fe3++PO4 3 ﹢—→FePO4↓（Dephosphorization main reaction）
Fe3++ 3OH﹣—→Fe（HO）3
Additionally, can also produce many electric layer effects：
Meanwhile, by flocculation（Coagulation）, the unnecessary free radical that electrolysis is produced can be consumed.
Step（6）Described filtering is in V-type filter tank or in sand filter, multi-medium filtering pond（Tank）Or filtering cloth filtering pool mistake One kind of filter.
Municipal wastewater is by after advanced treatment of wastewater regenerative use technology of the invention treatment, its effluent quality can reach Whole indexs of table 2.
The recycled water water quality index of table 2（Unit：mg/L）
Sequence number Project Index
1 COD（COD）≤ 30
2 6
3 Suspension（SS）≤ 10
4 Vegetable and animals oils≤ 1
5 Petroleum-type≤ 1
6 Anion surfactant≤ 0.5
7 Total nitrogen（In terms of N）≤ 10
8 Ammonia nitrogen（In terms of N）≤ 1.5
9 Total phosphorus（In terms of P）≤ 0.3
10 Colourity（Extension rate）≤ 10
11 pH 6~9
12 Excrement colibacillus group number（Individual/L）≤ 3
13 Dissolved oxygen >= 8
14 Chlorine residue 2-10
15 Sense index Without floating object, without beastly smelly and taste
Compared to the prior art the present invention, has the following advantages that：
1st, reduced investment
Ten thousand tons of advanced treatment of wastewater regeneration device of the invention invest about 2500~30,000,000 yuan, with " A2O+ flocculates（It is mixed It is solidifying）Precipitation dephosphorization+biological denitrificaion（De- COD, BOD）The investment of the sewerage advanced treatment process of+filtering " quite, but saves land used, With " A2O+ flocculates（Coagulation）Precipitation dephosphorization+MBR " compares saving 500~10,000,000 yuan.
2nd, effluent quality is high
Using " A2O+ flocculates（Coagulation）Precipitation dephosphorization+biological denitrificaion（De- COD, BOD）+ filtering " sewage water advanced treatment apparatus or “A2O+ flocculates（Coagulation）The sewerage advanced treatment process of precipitation dephosphorization+MBR ", its effluent quality can only achieve《At town sewage Reason factory pollutant emission standard》（GB18918-2002）One-level A standard effluent index, it is impossible to directly utilized as recycled water, and The class water quality of earth's surface class 4 can not only be reached using its effluent quality of advanced treatment of wastewater regenerative use technology of the invention, and The class water quality of earth's surface class 3 can be reached, water quality is high, can directly be utilized as recycled water.
3rd, take up an area few
Using " A2O+ flocculates（Coagulation）Precipitation dephosphorization+biological denitrificaion（De- COD, BOD）The sewerage advanced treatment process of+filtering ", Ten thousand tons of sewage treatment projects take up an area about 3100~3400 square metres；Using " A2O+ flocculates（Coagulation）The sewage of precipitation dephosphorization+MBR " Advanced treatment process, ten thousand tons of sewage treatment projects take up an area 2400~2500 square metres；Using the present invention, ten thousand tons of sewage treatment projects Take up an area 2100~2200 square metres, than using " A2O+ flocculates（Coagulation）The sewerage advanced treatment process of precipitation dephosphorization+MBR " is also saved Save and take up an area.
4th, operating cost is low
Under BOT investment modes, using " A2O+ flocculates（Coagulation）Precipitation dephosphorization+biological denitrificaion（De- COD, BOD）The dirt of+filtering " Water depth handling process, ton sewage disposal expense is 1.3~1.6 yuan；Using " A2O+ flocculates（Coagulation）Precipitation dephosphorization+MBR's " Sewerage advanced treatment process, ton sewage disposal expense is 1.5~1.9 yuan；And made profits again using advanced treatment of wastewater of the invention With device, ton sewage disposal expense is 1.2~1.5 yuan, and three kinds put forward the Main Economic technical indicator of mark reforming technology to such as table 3 It is shown.
The Main Economic technical indicator contrast table of table 3, three kind of sewerage advanced treatment process
Contrast project
3100~3400 2400~2550 2100~2200
Ten thousand tons of investments（Wan Yuan） 2500~2800 3000~3500 2500~3000
Ton water running expense 1.3~1.6 yuan 1.5~1.9 yuan 1.2~1.5 yuan
Effluent quality One-level A One-level A The class of earth's surface 4
Subsequent contamination property management is managed Easily Change film process difficult Easily
Anti- load impact method Nothing Nothing Adjustment electrolysis electricity
Brief description of the drawings
Fig. 1 is the electric layer schematic diagram of negative electrode three.
Fig. 2 is the present invention based on the biochemical advanced treatment of wastewater regeneration process chart one with electrolysis tech.
Fig. 3 is the present invention based on the biochemical advanced treatment of wastewater regeneration process chart two with electrolysis tech.
Specific embodiment
Referring to figure explanation specific embodiment of the invention.
Embodiment one
Reference picture 2, the embodiment of certain sewage treatment plant, the influent quality index such as table 4 of the sewage.
The influent quality index of table 4, certain sewage treatment plant
Sequence number Basic item controlled Measured value（mg/L）
1 COD 400
2 BOD 180
3 SS 300
4 Vegetable and animals oils -
5 Petroleum-type -
6 Anion surfactant
7 Total nitrogen（In terms of N） 55
8 Ammonia nitrogen（In terms of N） 40
9 Total phosphorus（In terms of P） 7
10 Colourity（Extension rate）
11 pH 6-9
It is relatively low due to entering water pollutant depth, using the biochemical advanced treatment of wastewater regeneration technique with electrolysis tech of Fig. 2 Device, including：
（1）Coagulation unit：It is made up of coarse rack, fine fack and aerated grit chamber, coarse rack, fine fack and aerated grit chamber Coupled by pipeline successively；
（2）Two stage treatment unit：Be made up of preliminary sedimentation tank, anaerobic pond, anoxic pond, Aerobic Pond and second pond, preliminary sedimentation tank, anaerobic pond, Anoxic pond, Aerobic Pond and second pond pass sequentially through pipeline or overfall connection；
（3）Three-level advanced treatment unit：It is made up of nano-catalytic electrolysis machine, coagulative precipitation tank and filtering ponds；Nano-catalytic is electrolysed Machine, coagulative precipitation tank and filtering ponds are coupled successively by water pump, pipeline.
Also include a dirt in the advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech of the present embodiment Mud processing unit, is made up of sludge concentration tank, dehydration device；The precipitation that preliminary sedimentation tank, second pond and coagulative precipitation tank are produced is led to Piping enters sludge concentration tank, then causes reducing sludge volume by the dehydration of sludge dewatering equipment, and water content is less than after dehydration Or the dry mud equal to 60% is transported outward or compost treatment, filtrate is then back to coarse rack water inlet.
Also include a gas in the advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech of the present embodiment Body processing unit, is made up of absorption tower and incinerator, and the biogas that anaerobic pond is produced is burned after desulfurization.
Using a kind of above-mentioned advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech to sewage disposal When comprise the following steps：
（1）Anaerobism：After coarse rack and fine fack remove solid impurity, into preliminary sedimentation tank precipitation, water outlet enters anaerobism to sewage Organic acid is resolved into methane and carbon dioxide by pond in the presence of anaerobism, reduces COD；
（2）Anoxic/aerobic：Anaerobic pond water outlet enters anoxic pond and Aerobic Pond（Also known as A/O ponds）Anoxic/Aerobic Process for Treatment is carried out, is led to The anoxic bacteria and the oxidative degradation of aerobic bacteria crossed in A/O handling process further remove COD, ammonia nitrogen and total nitrogen, make sewage It is purified waste water；
（3）Precipitation：The water outlet of A/O biochemical treatments carries out mud-water separation in second pond, and the sludge part for precipitating is back to Anaerobic pond（A ponds）, excess sludge is by being pumped into sludge concentration tank；
（4）Nano-catalytic is electrolysed：Will be by step（1）Extremely（3）Water outlet after treatment is electrolysed in pumping into nano-catalytic electrolysis machine, electricity In solution preocess, anode produces Cl and O, Cl and O and organic matter（COD and BOD）Ammonia nitrogen etc. reacts, and generates CO2、 H2O、N2And NO3 ﹣, organic matter is removed, reduce COD and BOD, ammonia nitrogen；Negative electrode produce " H " and " OH ", " H " of generation and " OH " and " NO3 ﹣" and organic matter（COD and BOD）Ammonia nitrogen etc. reacts, and generates CO2、H2O、N2；
（5）Flocculation（Coagulation）Precipitation：Step（4）Sewage enters flocculation after electrolysis（Coagulation）Reaction tank, to flocculation（Coagulation）Reaction 1~50g/ m are added in pond3Copperas solution and 1~5mg/ m3Flocculation aid is flocculated（Coagulation）Reaction, Fe2+With electrolysis Unreacted complete Cl, O, OH or Cl2Reaction generation Fe3+, Fe3+With PO4 3 ﹣Reaction generation ferric phosphate precipitation removes decontaminated water Phosphorus, with OH-Reaction generation Fe (OH)3Precipitation is flocculated（Coagulation）Reaction, petroleum-type, animals and plants are removed by suction-operated The organic matters such as oil, precipitate and separate is carried out into sedimentation basin, and sludge is dehydrated into clod into sludge treating system, and clear liquid enters step （6）Filtering；
（6）Filtering：Step（5）Sewage after flocculation sediment（Clear liquid）Into filter filtering, clear liquid is and reaches earth's surface class 4 The recycled water of class or the class water standard of class 3, mud is dehydrated into clod into sludge treating system.
（7）Treatment of Sludge
Preliminary sedimentation tank and step（3）The precipitation of the generation of second pond（That is sludge）And step（5）Precipitate the precipitation for producing（That is sludge） Sludge concentration tank is entered by pipeline, then reducing sludge volume is caused by the dehydration of sludge dewatering equipment, water content is small after dehydration Transported outward or compost treatment in or equal to 60% dry mud, filtrate is then back to step（1）Preceding coarse rack water inlet；
（8）Gas treatment
Step（1）Tail gas after the biogas produced in Anaerobic Treatment is processed through biogas desulfurization and CIU enters the deodorant system of tail gas System treatment.
Secondary clarifier effluent enters electrolysis machine after the biochemistry, and voltage during electrolysis between adjacent two-plate is 1.5V, and electric current is close It is 500mA/cm to spend2, 30mg/L is pressed after electrolysis and adds copperas solution, under conditions of being 60 turns in rotating speed after coagulating, Flocculation aid PAM is added to enter efficient sedimentation tank under conditions of rotating speed is for 20 turns by 1mg/L, again by sand after heavy pond is precipitated Filtration filter, effluent quality such as table 4.
Table 5, discharge water water quality index
Sequence number Basic item controlled Measured value（mg/L）
1 COD 30
2 BOD 6
3 SS 7
4 Vegetable and animals oils 0.2
5 Petroleum-type 0.1
6 Anion surfactant 0.3
7 Total nitrogen（In terms of N） 10
8 Ammonia nitrogen（In terms of N） 1.5
9 Total phosphorus（In terms of P） 0.3
10 Colourity（Extension rate） 4
11 pH 8-9
12 Excrement colibacillus group number（Individual/L） 3
13 Dissolved oxygen 8
14 Chlorine residue 2
As known from Table 4, sewage reaches the class index of earth's surface class 4 by the effluent index after above advanced treating, and energy consumption is 0.3 degree/ Ton.
Embodiment two
Reference picture 3, the embodiment of certain sewage treatment plant, the influent quality index such as table 5 of the sewage.
The influent quality of table 6, certain sewage treatment plant
Sequence number Project Measured value（mg/L）
1 COD 580
2 BOD 230
3 SS 310
4 Vegetable and animals oils -
5 Petroleum-type -
6 Anion surfactant -
7 Total nitrogen（In terms of N） 65
8 Ammonia nitrogen（In terms of N） 46
9 Total phosphorus（In terms of P） 7
10 Colourity（Extension rate）
11 pH 6-8
It is higher due to entering water pollutant depth, using the biochemical advanced treatment of wastewater regeneration device with electrolysis tech of Fig. 3, Including：
（1）Coagulation unit：It is made up of coarse rack, fine fack and aerated grit chamber, coarse rack, fine fack and aerated grit chamber Coupled by pipeline successively；
（2）Two stage treatment unit：Be made up of preliminary sedimentation tank, anaerobic pond, anoxic pond, Aerobic Pond and second pond, preliminary sedimentation tank, anaerobic pond, Anoxic pond, Aerobic Pond and second pond pass sequentially through pipeline or overfall connection；
（3）Three-level advanced treatment unit：It is made up of nano-catalytic electrolysis machine, coagulative precipitation tank and filtering ponds；Nano-catalytic is electrolysed Machine, coagulative precipitation tank and filtering ponds are coupled successively by water pump, pipeline.
Also include two sections of AO processing units after the two stage treatment unit of the present embodiment, with further except in decontaminated water The pollutant such as COD, BOD, ammonia nitrogen and total nitrogen.
Also include a dirt in the advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech of the present embodiment Mud processing unit, is made up of sludge concentration tank, dehydration device；The precipitation that preliminary sedimentation tank, second pond and coagulative precipitation tank are produced is led to Piping enters sludge concentration tank, then causes reducing sludge volume by the dehydration of sludge dewatering equipment, and water content is less than after dehydration Or the dry mud equal to 60% is transported outward or compost treatment, filtrate is then back to coarse rack water inlet.
Also include a gas in the advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech of the present embodiment Body processing unit, is made up of absorption tower and incinerator, and the biogas that anaerobic pond is produced is burned after desulfurization.
Using a kind of above-mentioned advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech to sewage disposal When comprise the following steps：
（1）Anaerobism：After coarse rack and fine fack remove solid impurity, into preliminary sedimentation tank precipitation, water outlet enters anaerobism to sewage Organic acid is resolved into methane and carbon dioxide by pond in the presence of anaerobism, reduces COD；
（2）Anoxic/aerobic：Anaerobic pond water outlet enters anoxic pond and Aerobic Pond（Also known as A/O ponds）Anoxic/Aerobic Process for Treatment is carried out, is led to The anoxic bacteria and the oxidative degradation of aerobic bacteria crossed in A/O handling process further remove COD, ammonia nitrogen and total nitrogen, make sewage It is purified waste water；
（3）Precipitation：The water outlet of A/O biochemical treatments carries out mud-water separation in second pond, and the sludge part for precipitating is back to Anaerobic pond（A ponds）, excess sludge is by being pumped into sludge concentration tank；
（4）Electrolysis：Will be by step（1）Extremely（3）Water outlet after treatment is electrolysed in pumping into electrolysis machine, and in electrolytic process, anode is produced Raw Cl and O, Cl and O and organic matter（COD and BOD）Ammonia nitrogen etc. reacts, and generates CO2、H2O、N2And NO3 ﹣, removing has Machine thing, reduces COD and BOD, ammonia nitrogen；Negative electrode produces " H " and " OH ", " H " and " OH " and " NO of generation3 ﹣" and it is organic Thing（COD and BOD）Ammonia nitrogen etc. reacts, and generates CO2、H2O、N2；
（5）Flocculation（Coagulation）Precipitation：Step（4）Sewage enters flocculation after electrolysis（Coagulation）Reaction tank, to flocculation（Coagulation）Reaction 1~50g/ m are added in pond3Copperas solution and 1~5mg/ m3Flocculation aid is flocculated（Coagulation）Reaction, Fe2+With electrolysis Unreacted complete Cl, O, OH or Cl2Reaction generation Fe3+, Fe3+With PO4 3 ﹣Reaction generation ferric phosphate precipitation removes decontaminated water Phosphorus, with OH-Reaction generation Fe (OH)3Precipitation is flocculated（Coagulation）Reaction, petroleum-type, animals and plants are removed by suction-operated The organic matters such as oil, precipitate and separate is carried out into sedimentation basin, and sludge is dehydrated into clod into sludge treating system, and clear liquid enters step （6）Filtering；
（6）Filtering：Step（5）Sewage after flocculation sediment（Clear liquid）Into filter filtering, clear liquid is and reaches earth's surface class 4 The recycled water of class or the class water standard of class 3, mud is dehydrated into clod into sludge treating system.
（7）Treatment of Sludge
Preliminary sedimentation tank and step（3）The precipitation of the generation of second pond（That is sludge）And step（5）Precipitate the precipitation for producing（That is sludge） Sludge concentration tank is entered by pipeline, then reducing sludge volume is caused by the dehydration of sludge dewatering equipment, water content is small after dehydration Transported outward or compost treatment in or equal to 60% dry mud, filtrate is then back to step（1）Preceding coarse rack water inlet；
（8）Gas treatment
Step（1）Tail gas after the biogas produced in Anaerobic Treatment is processed through biogas desulfurization and CIU enters the deodorant system of tail gas System treatment.
Step（2）Described anoxic/aerobic also two sections of AO process steps afterwards, with further except in decontaminated water COD, BOD, ammonia nitrogen and total nitrogen etc..
After secondary clarifier effluent enters the electrolysis of nano-catalytic electrolysis machine indirectly after the biochemistry, into efficient sedimentation tank, plus 5% Sodium carbonate liquor adjusts pH to 8-9（Because pH is 6-7）, coagulating is carried out by 15mg/L addition copperas solutions, and press 1mg/L adds flocculation aid PAM, and by being filtered after efficient sedimentation tank precipitation process, water outlet is recycled water, and the water quality of its recycled water is such as Table 7.
Table 7, the water quality index discharged water by advanced treating heel row
Sequence number Basic item controlled Measured value（mg/L）
1 COD 20
2 BOD 3
3 SS 7
4 Vegetable and animals oils 0.5
5 Petroleum-type 0.5
6 Anion surfactant 0.2
7 Total nitrogen（In terms of N） 10
8 Ammonia nitrogen（In terms of N） 0.5
9 Total phosphorus（In terms of P） 0.2
10 Colourity（Extension rate） 4
11 pH 6-8
12 Excrement colibacillus group number（Individual/L） 3
13 Dissolved oxygen 8
14 Chlorine residue 10
As known from Table 7, sewage reaches the class index of earth's surface class 3 by the effluent index after above advanced treating, and energy consumption is 0.45 degree/ Ton.
Specific embodiment of the invention is above are only, but design concept of the invention is not limited thereto, it is all to utilize this Design carries out the change of unsubstantiality to the present invention, all should belong to the behavior for invading the scope of the present invention.

Claims (12)

1. a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is characterised in that it include filtering and The coagulation unit of precipitation, two stage treatment unit and the nano-catalytic electrolysis of anaerobism, anoxic and Aerobic Process for Treatment, coagulating sedimentation, The three-level advanced treatment unit of filtering, i.e., including such as lower unit：
（1）Coagulation unit：It is made up of coarse rack, fine fack and aerated grit chamber successively, coarse rack, fine fack and aeration are heavy Sand pond is coupled by pipeline successively；
（2）Two stage treatment unit：Be made up of preliminary sedimentation tank, anaerobic pond, anoxic pond, Aerobic Pond and second pond, preliminary sedimentation tank, anaerobic pond, Anoxic pond, Aerobic Pond and second pond pass sequentially through pipeline or overfall connection；
（3）Three-level advanced treatment unit：It is made up of nano-catalytic electrolysis machine, coagulative precipitation tank and filtering ponds, nano-catalytic electrolysis Machine, coagulative precipitation tank and filtering ponds are coupled successively by water pump, pipeline.
2. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：After the two stage treatment unit also include two sections of AO processing units, with further remove decontaminated water in COD, The pollutants such as BOD, ammonia nitrogen and total nitrogen.
3. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：Also include a sludge treating block, be made up of sludge concentration tank, dehydration device；Preliminary sedimentation tank, second pond and coagulation The precipitation that sedimentation basin is produced enters sludge concentration tank by pipeline, then causes that sludge subtracts by the dehydration of sludge dewatering equipment Hold, dry mud of the water content less than or equal to 60% is transported outward or compost treatment after dehydration, filtrate is then back to coarse rack water inlet Mouthful.
4. as claimed in claim 3 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：An electrolysis unit is additionally provided with before the sludge concentration tank of the sludge treating block.
5. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：Also include an air processing unit, be made up of absorption tower and incinerator, the biogas that anaerobic pond is produced is after desulfurization Burn.
6. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：Aerated grit chamber described in coagulation unit is formed by mixed mud cast or steel, engineering plastics are processed.
7. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：Anaerobic pond, anoxic pond, Aerobic Pond and second pond described in two stage treatment unit are formed or steel by mixed mud cast Material, engineering plastics are processed.
8. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：Nano-catalytic electrolysis machine described in three stage treatment unit is provided with power supply and electrolytic cell, and the negative electrode in the electrolytic cell is Graphite, titanium, iron, aluminium, zinc, copper, lead, nickel, molybdenum, chromium, alloy, the Ti electrode for having precious metal oxide coating, nano-catalytic electrode In one kind, anode is the nano-catalytic electrode for having precious metal oxide coating, and electrode is tabular or netted, and yin, yang is alternate It is distributed in electrolytic cell, the distance of adjacent electrode plates is 4~10mm；The electrolysis operating voltage of the electrolysis is 5~500V, adjacent Two interelectrode voltages are 1~15V, and current density is 5~500mA/cm2, residence time of the sewage in electrolysis machine be 5s~ 10min。
9. as claimed in claim 8 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：The top layer of the nano-catalytic electrode is coated with the metal oxide containing precious metals catalyst coatings that crystal grain is 10~42nm, described The substrate of nano-catalytic electrode is titanium plate, other metallic plates or plastic plate.
10. as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, it is special Levy and be：Coagulative precipitation tank described in three stage treatment unit is efficient sedimentation tank.
11. is as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, and it is special Levy and be：Coagulative precipitation tank described in three stage treatment unit is made up of coagulating basin and sedimentation basin.
12. is as claimed in claim 1 a kind of based on the biochemical advanced treatment of wastewater regeneration device with electrolysis tech, and it is special Levy and be：Filtering ponds described in three stage treatment unit are in V-type filter tank, sand filter, multi-medium filtering pond or filtering cloth filtering pool Kind.
CN201710005029.2A 2016-12-22 2017-01-04 A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech Pending CN106800356A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611197112 2016-12-22
CN2016111971126 2016-12-22

Publications (1)

Publication Number Publication Date
CN106800356A true CN106800356A (en) 2017-06-06

Family

ID=58985305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710005029.2A Pending CN106800356A (en) 2016-12-22 2017-01-04 A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech

Country Status (1)

Country Link
CN (1) CN106800356A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107188278A (en) * 2017-07-18 2017-09-22 集美大学 A kind of method of the nano-catalytic electrolytic experiment room containing hexavalent chromium wastewater
CN107324600A (en) * 2017-08-15 2017-11-07 河北卓达建材研究院有限公司 A kind of vehicle mounted potato sewage disposal system and its processing method
CN108529818A (en) * 2018-04-11 2018-09-14 嘉兴市金宇达染整有限公司 A kind of dyeing and finishing waste discharge total system
CN109179914A (en) * 2018-11-06 2019-01-11 四川色三源环保工程有限公司 A kind of MTBE Combined sewage treatment process
CN109650610A (en) * 2019-01-15 2019-04-19 西安工程大学 A method of utilizing nitrogen and P elements in water in coagulation-electrochemical techniques removal
CN109879523A (en) * 2019-01-17 2019-06-14 大渊环境技术（厦门）有限公司 A kind of deep purification of waste water method
CN110040903A (en) * 2019-01-17 2019-07-23 大渊环境技术（厦门）有限公司 A kind of deep purification of waste water device
CN110885127A (en) * 2019-09-23 2020-03-17 昆山阳澄蓝谷环境研究所有限公司 Wastewater treatment method using molecular weakly acidic HOCl water
CN113024023A (en) * 2021-03-05 2021-06-25 广西迎春丝绸有限公司 Treatment method of silk production wastewater
CN116924596A (en) * 2023-05-30 2023-10-24 深圳市新西林园林景观有限公司 Electrochemical device for sponge urban sewage treatment and treatment method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102010038A (en) * 2010-12-30 2011-04-13 波鹰(厦门)科技有限公司 Nano catalytic electrolysis flocculation device
CN202576160U (en) * 2012-05-03 2012-12-05 波鹰(厦门)科技有限公司 Municipal sewage treatment and regeneration recycling device
CN204474504U (en) * 2015-03-06 2015-07-15 福建省首融环境科技有限公司 The treatment unit of brown coal low-temperature pyrolysis waste water
KR101665619B1 (en) * 2015-12-24 2016-10-24 엔비넷 주식회사 Effluent Treatment Apparatus of Electrolysis Floating and floculation Method for Removal of Algae, COD, Nitrogen and Phosphorus Using Iridium Alloy Nanocatalysis Electrolysis Device
CN106242129A (en) * 2016-08-05 2016-12-21 罗依依 A kind of municipal sewage plant discharge water is put forward mark method by one-level B to one-level A

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102010038A (en) * 2010-12-30 2011-04-13 波鹰(厦门)科技有限公司 Nano catalytic electrolysis flocculation device
CN202576160U (en) * 2012-05-03 2012-12-05 波鹰(厦门)科技有限公司 Municipal sewage treatment and regeneration recycling device
CN204474504U (en) * 2015-03-06 2015-07-15 福建省首融环境科技有限公司 The treatment unit of brown coal low-temperature pyrolysis waste water
KR101665619B1 (en) * 2015-12-24 2016-10-24 엔비넷 주식회사 Effluent Treatment Apparatus of Electrolysis Floating and floculation Method for Removal of Algae, COD, Nitrogen and Phosphorus Using Iridium Alloy Nanocatalysis Electrolysis Device
CN106242129A (en) * 2016-08-05 2016-12-21 罗依依 A kind of municipal sewage plant discharge water is put forward mark method by one-level B to one-level A

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《下乡家电选购、使用与维修丛书》编委会: "《沼气生产、利用与设备》", 30 September 2010 *
陈观文等: "《膜技术新进展与工程应用》", 31 August 2013 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107188278A (en) * 2017-07-18 2017-09-22 集美大学 A kind of method of the nano-catalytic electrolytic experiment room containing hexavalent chromium wastewater
CN107324600A (en) * 2017-08-15 2017-11-07 河北卓达建材研究院有限公司 A kind of vehicle mounted potato sewage disposal system and its processing method
CN108529818A (en) * 2018-04-11 2018-09-14 嘉兴市金宇达染整有限公司 A kind of dyeing and finishing waste discharge total system
CN109179914A (en) * 2018-11-06 2019-01-11 四川色三源环保工程有限公司 A kind of MTBE Combined sewage treatment process
CN109650610A (en) * 2019-01-15 2019-04-19 西安工程大学 A method of utilizing nitrogen and P elements in water in coagulation-electrochemical techniques removal
CN109879523A (en) * 2019-01-17 2019-06-14 大渊环境技术（厦门）有限公司 A kind of deep purification of waste water method
CN110040903A (en) * 2019-01-17 2019-07-23 大渊环境技术（厦门）有限公司 A kind of deep purification of waste water device
CN110885127A (en) * 2019-09-23 2020-03-17 昆山阳澄蓝谷环境研究所有限公司 Wastewater treatment method using molecular weakly acidic HOCl water
CN113024023A (en) * 2021-03-05 2021-06-25 广西迎春丝绸有限公司 Treatment method of silk production wastewater
CN116924596A (en) * 2023-05-30 2023-10-24 深圳市新西林园林景观有限公司 Electrochemical device for sponge urban sewage treatment and treatment method thereof
CN116924596B (en) * 2023-05-30 2024-06-07 深圳市新西林园林景观有限公司 Electrochemical device for sponge urban sewage treatment and treatment method thereof

Similar Documents

Publication Publication Date Title
CN106800356A (en) A kind of advanced treatment of wastewater regeneration device based on biochemical and electrolysis tech
CN208949039U (en) A kind of processing unit of black and odorous water
CN102603119B (en) Garbage leachate treatment device and treatment method thereof
CN102786183B (en) Method for processing garbage leachate
CN107055937A (en) A kind of advanced treatment of wastewater regeneration method based on biochemical and electrolysis tech
CN102010107B (en) Treatment and cyclic utilization device and method of tannery wastewater
CN102786182B (en) Device for processing landfill leachate
US20130264197A1 (en) Nanocatalytic electrolysis and flocculation apparatus
CN101698550A (en) Advanced treating method of landfill leachate
CN105174633A (en) Comprehensive standard increase method for increasing standard of discharged water of municipal wastewater treatment plant from first grade B to first grade A
CN106242129A (en) A kind of municipal sewage plant discharge water is put forward mark method by one-level B to one-level A
CN104787859A (en) Method and device for treating phosphorus wastewater by adopting multi-electrode baffling electric flocculation process
CN209957618U (en) Medicine comprehensive wastewater treatment system
CN109879523A (en) A kind of deep purification of waste water method
CN101302053A (en) Phosphorus removing method for municipal sewage plant
CN107698037A (en) The method of the three-dimensional biological advanced treatment of landfill leachate reverse osmosis concentrated water of electricity of three-dimensional electrochemical coupling
CN110104873A (en) Municipal wastewater advanced treatment apparatus and its method
CN107540135A (en) A kind of safe and efficient percolate nanofiltration concentrate processing group technology
CN105384222A (en) Waste water electric flocculation treatment device
WO2020238021A1 (en) Intensive modular combined aquaculture tail water treatment system
CN108358394A (en) A kind of Novel dephosphorization sewage treatment process
CN205442899U (en) Dense water processing system of manifold type reverse osmosis
CN101618905A (en) Method for treating phosphoric wastewater through ozone-enhanced electrocoagulation
CN105236662A (en) Comprehensive standard improving apparatus for municipal sewage treatment plant discharge water from glade 1B to grade A
CN106430744A (en) Device for improving standards of discharged water of municipal sewage treatment plant to first-level A from first-level B

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170606